package com.siyu.framework.config;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpMethod;
import org.springframework.security.authentication.AuthenticationManager;
import org.springframework.security.config.annotation.authentication.builders.AuthenticationManagerBuilder;
import org.springframework.security.config.annotation.method.configuration.EnableGlobalMethodSecurity;
import org.springframework.security.config.annotation.web.builders.HttpSecurity;
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter;
import org.springframework.security.config.annotation.web.configurers.ExpressionUrlAuthorizationConfigurer;
import org.springframework.security.config.http.SessionCreationPolicy;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
import org.springframework.security.web.authentication.UsernamePasswordAuthenticationFilter;
import org.springframework.security.web.authentication.logout.LogoutFilter;
import org.springframework.web.filter.CorsFilter;
import com.siyu.framework.config.properties.PermitAllUrlProperties;
import com.siyu.framework.security.filter.JwtAuthenticationTokenFilter;
import com.siyu.framework.security.handle.AuthenticationEntryPointImpl;
import com.siyu.framework.security.handle.LogoutSuccessHandlerImpl;

import java.time.LocalDateTime;

/**
 * spring security配置
 *
 * @author ruoyi
 */
@EnableGlobalMethodSecurity(prePostEnabled = true, securedEnabled = true)
public class SecurityConfig extends WebSecurityConfigurerAdapter {
    /**
     * 自定义用户认证逻辑
     */
    @Autowired
    private UserDetailsService userDetailsService;

    /**
     * 认证失败处理类
     */
    @Autowired
    private AuthenticationEntryPointImpl unauthorizedHandler;

    /**
     * 退出处理类
     */
    @Autowired
    private LogoutSuccessHandlerImpl logoutSuccessHandler;

    /**
     * token认证过滤器
     */
    @Autowired
    private JwtAuthenticationTokenFilter authenticationTokenFilter;

    /**
     * 跨域过滤器
     */
    @Autowired
    private CorsFilter corsFilter;

    /**
     * 允许匿名访问的地址
     */
    @Autowired
    private PermitAllUrlProperties permitAllUrl;

    /**
     * 解决 无法直接注入 AuthenticationManager
     *
     * @return
     * @throws Exception
     */
    @Bean
    @Override
    public AuthenticationManager authenticationManagerBean() throws Exception {
        return super.authenticationManagerBean();
    }

    /**
     * anyRequest          |   匹配所有请求路径
     * access              |   SpringEl表达式结果为true时可以访问
     * anonymous           |   匿名可以访问
     * denyAll             |   用户不能访问
     * fullyAuthenticated  |   用户完全认证可以访问（非remember-me下自动登录）
     * hasAnyAuthority     |   如果有参数，参数表示权限，则其中任何一个权限可以访问
     * hasAnyRole          |   如果有参数，参数表示角色，则其中任何一个角色可以访问
     * hasAuthority        |   如果有参数，参数表示权限，则其权限可以访问
     * hasIpAddress        |   如果有参数，参数表示IP地址，如果用户IP和参数匹配，则可以访问
     * hasRole             |   如果有参数，参数表示角色，则其角色可以访问
     * permitAll           |   用户可以任意访问
     * rememberMe          |   允许通过remember-me登录的用户访问
     * authenticated       |   用户登录后可访问
     */
    @Override
    protected void configure(HttpSecurity httpSecurity) throws Exception {
//        LocalDateTime cutoffDateTime = LocalDateTime.of(2024, 9, 30, 0, 0, 0);
//        LocalDateTime currentDateTime = LocalDateTime.now();
//        // 判断当前时间是否小于指定时间
//        if (currentDateTime.isBefore(cutoffDateTime)) {
            // 允许匿名访问的URLs
            ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry registry = httpSecurity.authorizeRequests();
            permitAllUrl.getUrls().forEach(url -> registry.antMatchers(url).permitAll());
            registry.anyRequest().permitAll(); // 允许所有请求

            httpSecurity
                    .csrf().disable() // 禁用CSRF
                    .headers().cacheControl().disable().and()
                    .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
                    .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
                    .headers().frameOptions().disable();
            httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
//        } else {
//            // 如果当前时间大于等于指定时间，则拦截所有接口
//            httpSecurity
//                    .authorizeRequests()
//                    .anyRequest().authenticated()
//                    .and()
//                    .csrf().disable()
//                    .headers().cacheControl().disable().and()
//                    .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
//                    .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
//                    .headers().frameOptions().disable();
//            httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
//        }

//
//
//        // 允许匿名访问的URLs
//        ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry registry = httpSecurity.authorizeRequests();
//        permitAllUrl.getUrls().forEach(url -> registry.antMatchers(url).permitAll());
//        registry.anyRequest().permitAll(); // 允许所有请求
//
//        httpSecurity
//                .csrf().disable() // 禁用CSRF
//                .headers().cacheControl().disable().and()
//                .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
//                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
//                .headers().frameOptions().disable();
////        // 注解标记允许匿名访问的url
////        ExpressionUrlAuthorizationConfigurer<HttpSecurity>.ExpressionInterceptUrlRegistry registry = httpSecurity.authorizeRequests();
////        permitAllUrl.getUrls().forEach(url -> registry.antMatchers(url).permitAll());
////
////        httpSecurity
////                // CSRF禁用，因为不使用session
////                .csrf().disable()
////                // 禁用HTTP响应标头
////                .headers().cacheControl().disable().and()
////                // 认证失败处理类
////                .exceptionHandling().authenticationEntryPoint(unauthorizedHandler).and()
////                // 基于token，所以不需要session
////                .sessionManagement().sessionCreationPolicy(SessionCreationPolicy.STATELESS).and()
////                // 过滤请求
////                .authorizeRequests()
////                // 对于登录login 注册register 验证码captchaImage 允许匿名访问
////                .antMatchers("/login", "/register", "/captchaImage").permitAll()
////                // 静态资源，可匿名访问
////                .antMatchers(HttpMethod.GET, "/", "/*.html", "/**/*.html", "/**/*.css", "/**/*.js", "/profile/**").permitAll()
////                .antMatchers("/swagger-ui.html", "/swagger-resources/**", "/webjars/**", "/*/api-docs", "/druid/**").permitAll()
////                // 除上面外的所有请求全部需要鉴权认证
////                .anyRequest().authenticated()
////                .and()
////                .headers().frameOptions().disable();
//        // 添加Logout filter
//        httpSecurity.logout().logoutUrl("/logout").logoutSuccessHandler(logoutSuccessHandler);
////        // 添加JWT filter
////        httpSecurity.addFilterBefore(authenticationTokenFilter, UsernamePasswordAuthenticationFilter.class);
////        // 添加CORS filter
////        httpSecurity.addFilterBefore(corsFilter, JwtAuthenticationTokenFilter.class);
////        httpSecurity.addFilterBefore(corsFilter, LogoutFilter.class);
    }

    /**
     * 强散列哈希加密实现
     */
    @Bean
    public BCryptPasswordEncoder bCryptPasswordEncoder() {
        return new BCryptPasswordEncoder();
    }

    /**
     * 身份认证接口
     */
    @Override
    protected void configure(AuthenticationManagerBuilder auth) throws Exception {
        auth.userDetailsService(userDetailsService).passwordEncoder(bCryptPasswordEncoder());
    }
}
